TPS54377 - 用于预偏置输出的 3V 至 6V 输入、3A 同步降压 SWIFT? 转换器

TPS54377是TI德州仪器公司的一款转换器（集成开关）产品，TPS54377是用于预偏置输出的 3V 至 6V 输入、3A 同步降压 SWIFT? 转换器，本站介绍了TPS54377的封装应用图解、特点和优点、功能等，并给出了与TPS54377相关的TI元器件型号供参考。

TPS54377 - 用于预偏置输出的 3V 至 6V 输入、3A 同步降压 SWIFT? 转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

As a member of the SWIFT™ family of dc/dc regulators, the TPS54377 low-input-voltage high-output-current synchronous-buck PWM converter integrates all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that provides high performance under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally and externally set slow-start circuit to limit in-rush currents; and a power good output useful for processor/logic reset, fault signaling, and supply sequencing.

For reliable power up in output precharge applications, the TPS54377 is designed to only source current during start-up.

The TPS54377 device is available in a thermally enhanced 24-pin QFN (RHF) PowerPAD package, which eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT designer software tool to aid in achieving high-performance power supply designs to meet aggressive equipment development cycles.

产品特性

60-m MOSFET Switches for High Efficiency at 3-A Continuous Output Current
Adjustable Output Voltage Down to 0.9 V With 1% Accuracy
Switching Frequency: Adjustable From 280 kHz to 1600 kHz
Disabled Current Sinking During Start-Up
Fast Transient Response
Load Protected by Peak Current Limit and Thermal Shutdown
Integrated Solution Reduces Board Area and Total Cost
Spacing Saving 4mm x 5mm QFN Packaging
For SWIFT Documentation, Application Notes, and Design Software, see the TI website at www.ti.com/swift
APPLICATIONS
- Low-Voltage, High-Density Systems With Power Distributed at 5 V or 3.3 V
- Point of Load Regulation for High Performance DSPs, FPGAs, ASICs, and Microprocessors
- Broadband, Networking and Optical Communications Infrastructure

SWIFT, PowerPAD are trademarks of Texas Instruments.

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